10.6. 确保应用程序继续工作

在断开集群与网络的连接前,请确保集群按预期运行,并且所有应用程序都按预期工作。

流程

使用以下命令检查集群的状态:

  • 确定您的 pod 正在运行:

    $ oc get pods --all-namespaces

    输出示例

    NAMESPACE                                          NAME                                                          READY   STATUS      RESTARTS   AGE
    kube-system                                        apiserver-watcher-ci-ln-47ltxtb-f76d1-mrffg-master-0          1/1     Running     0          39m
    kube-system                                        apiserver-watcher-ci-ln-47ltxtb-f76d1-mrffg-master-1          1/1     Running     0          39m
    kube-system                                        apiserver-watcher-ci-ln-47ltxtb-f76d1-mrffg-master-2          1/1     Running     0          39m
    openshift-apiserver-operator                       openshift-apiserver-operator-79c7c646fd-5rvr5                 1/1     Running     3          45m
    openshift-apiserver                                apiserver-b944c4645-q694g                                     2/2     Running     0          29m
    openshift-apiserver                                apiserver-b944c4645-shdxb                                     2/2     Running     0          31m
    openshift-apiserver                                apiserver-b944c4645-x7rf2                                     2/2     Running     0          33m
     ...

  • 确定您的节点处于 READY 状态:

    $ oc get nodes

    输出示例

    NAME                                       STATUS   ROLES    AGE   VERSION
    ci-ln-47ltxtb-f76d1-mrffg-master-0         Ready    master   42m   v1.21.1+a620f50
    ci-ln-47ltxtb-f76d1-mrffg-master-1         Ready    master   42m   v1.21.1+a620f50
    ci-ln-47ltxtb-f76d1-mrffg-master-2         Ready    master   42m   v1.21.1+a620f50
    ci-ln-47ltxtb-f76d1-mrffg-worker-a-gsxbz   Ready    worker   35m   v1.21.1+a620f50
    ci-ln-47ltxtb-f76d1-mrffg-worker-b-5qqdx   Ready    worker   35m   v1.21.1+a620f50
    ci-ln-47ltxtb-f76d1-mrffg-worker-c-rjkpq   Ready    worker   34m   v1.21.1+a620f50